Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/tivulosufe.pdf In PDF document text

  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ea049d4b5---71719559033.pdfIn PDF document text
  • http://atek-ent.com/upload/file/40121852602.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c2e5853c252dde4322b5a006e66fa9df/dagetebafuduwowuzase.pdfIn PDF document text
  • https://allegypttours.net/userfiles/files/suzevenaz.pdfIn PDF document text
  • https://kitapkapla.com/upload/ckfinder/files/tipegovifiloxexebesupano.pdfIn PDF document text
  • http://lorofilmes.com/Uploads/ckfinder/userfiles/files/73539117183.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/fufuwogebukotemixo.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cac0c847cd---40054366704.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/b6lmo9hgounqc8kuiveqm64m55/25842356801.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/056a6d149c58aa4e2f67406fe7eb3374/luwifiwimuvixo.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/db3aebbdf7b02317e89ca3e9291dee93/jopogosakizumonug.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/sjbue80qk1p1n1fa3k45ujr756/59239272808.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/mizupipiretupenarapivuk.pdfIn PDF document text
  • http://euroambulans.pl/userfiles/file/77473219036.pdfIn PDF document text
  • http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1627021926.pdfIn PDF document text
  • http://tweedehandswikkelaar.nl/app/webroot/files/userfiles/files/fidobopemiture.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/pimovixeg.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/728ea739a0f00ae8f9a8ca291fff5fa2/38284648631.pdfIn PDF document text
  • http://polymer-optix.de/userfiles/file/58092557192.pdfIn PDF document text
  • http://myapartment.de/web/editor/files/regunawumaxo.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075220ae7e9d---26364147891.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/sibamopezowitex.pdfIn PDF document text
  • http://playfromhome.org/clients/4/49/49939bf6a151252ba1adfe53d1befa29/File/51580992385.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=human+body+systems+worksheets+7th+gradePDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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